FR775184A - Improvements to gyroscopic compasses - Google Patents

Improvements to gyroscopic compasses

Info

Publication number
FR775184A
FR775184A FR775184DA FR775184A FR 775184 A FR775184 A FR 775184A FR 775184D A FR775184D A FR 775184DA FR 775184 A FR775184 A FR 775184A
Authority
FR
France
Prior art keywords
gyroscopic compasses
compasses
gyroscopic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sperry Gyroscope Co Ltd
Original Assignee
Sperry Gyroscope Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sperry Gyroscope Co Ltd filed Critical Sperry Gyroscope Co Ltd
Application granted granted Critical
Publication of FR775184A publication Critical patent/FR775184A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/02—Rotary gyroscopes
    • G01C19/34—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes
    • G01C19/38—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by other than magnetic means, e.g. gyrocompasses using earth's rotation

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR775184D 1934-06-30 1934-06-30 Improvements to gyroscopic compasses Expired FR775184A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR775184T 1934-06-30

Publications (1)

Publication Number Publication Date
FR775184A true FR775184A (en) 1934-12-21

Family

ID=9200290

Family Applications (1)

Application Number Title Priority Date Filing Date
FR775184D Expired FR775184A (en) 1934-06-30 1934-06-30 Improvements to gyroscopic compasses

Country Status (1)

Country Link
FR (1) FR775184A (en)

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